In-line filter for laboratory use



FIG. 1 is a perspective view of an in-line filter for laboratory use showing my new design;

FIG. 2 is a top plan view of the filter of FIG. 1;

FIG. 3 is a side elevational view of the filter of FIG. 1; the broken lines are shown for illustrative purpose only;

FIG. 4 is a bottom plan view of the filter of FIG. 2;

FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 4. 

The ornamental design for an in-line filter for laboratory use, as shown and described. 